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1. A Reliable Source of Temperature Measurement and Control
PI TEMPERATURE CONTROLLERS
Temperature Indicators / Controllers play an
important part in any process industry. Quick and
accurate measurement / control of a process
temperature will improve the final product quality,
reliability and reduce rejection. Temperature
indication and control is therefore one of the prime
considerations in any process industry.
The Sleek 92 series is microcontroller based
programmable temperature indicator/controller
designed for fast and accurate measurement /
control. The instrument is designed using highly
reliable electronic components. The process
temperature is displayed in digits, which gives better
resolution compared to analog indicator. The ESD
921 single setpoint series accepts all types of
Pt - 100, Thermocouples, 0 - 20 mA as well as 4 -
20 mA as input. The instrument is immune to
mechanical vibrations. Even the mounting position will
not affect the measurement accuracy. The large bright red
LED seven segment display allows long distance
readability. Use of highly reliable electronic components
with lowest temperature coefficient ensure long and
trouble free service.The instrument is tested for its
performance under various climatic conditions. Wide
ranges of measurements are available depending on the
sensor used.
The Sleek 92 series is based on the principle high
input impedance amplifier feeding a comparator
followed by a relay and an ADC. The signal from the
transducer is fed to a sensor compensation circuit,
where automatic ambient compensation in case of
thermocouple & lead resistance compensation in
case of Pt-100 is achieved. Duly compensated signal
is fed to a signal conditioning amplifier, output of
which is given to digital display as well as to a
comparator. The comparator compares the
process value with the desired set value. Output of
the comparator is given to the relay which switches
ON or OFF depending upon the process value
w.r.t. the setpoint. Linearisation of the transducer
signal is done by hardware in the input circuit. This
gives a standardized signal to the ADC which drives
the LED display, indicating the temperature .
The Sleek 92 series temperature controllers can be
used in almost any industry, laboratory etc. where
accurate temperature control is needed to be carried
out.
Proven troublefree field performance
Highly compact
Dust and vermin proof enclosure with epoxy
powder coating
LED display gives better readability at long range
Fast response time
Highly accurate
Available in different DIN std. cutouts
Designed for Pt-100, Thermocouples and
4 - 20 mA input
Fail safe relay logic
Maximum MTBF and minimum MTTR
Feather touch push button
Wide supply variation and environmental band
Minimum overshoot undershoot
User friendly programming
E L E C T R O N I C S
SYSTEMS AND DEVICES
Process Control Instrumentation
INTRODUCTION
PRINCIPLE OF OPERATION APPLICATION
FEATURES
Signal
Conditioner
Field
Field
Control
through
Contactor
Transducer
&
Transmitter
Amplifier Display
Keyboard
Micro-
controller
Relay

2. Unspecified dimensions are in mm. Photos not to the scale. Due to continuous development above details are likely to change.
AreaRep.ESD/PTC/4302
Sleek 92 X1 X2 X3 X4
Setpoints
X - 45 x 45
0 - 92 x 45
3 - 92 x 92
Panel Cutout
1 - One
2 - Two
4 - Four
1 - Pt - 100
2 - J type T/C
3 - K type T/C
4 - R type T/C
5 - S type T/C
6 - 0 to 20 mA
7 - 4 to 20 mA
8 - 0 to 2V DC
9 - Other
Input
o
0 - -100 to 200 C
o
1 - 0 to 400 C
2 - 0 to 100 %
o
3 - 0 to 600 C
o
4 - 0 to 1200 C
o
5 - 0 to 1600 C
6 - Other
Range
X5
Relay Output
1- 1 C/O 5 Amp
2 - 1 C/O 10 Amp
3 - 2 C/O 5 Amp
4 - Other
1 - 230 V AC
2 - 110 V AC
3 - 48 V AC
4 - 24 V AC
5 - 24 V DC
6 - Other
Power Supply
Ordering eg. Sleek 9223 - 1111
Digital Temp. Controller Sleek 92
Setpoint - Two (1)
Panel cutout - 92 x 92 mm (3)
Input - Pt - 100 (1)
o o
Range - 0 C to 400 C (0)
Relay output - 1 C/O 5 Amp (1)
Power Supply - 230 V AC (1)
Pune - 411013 (INDIA).
Phone : (020) 26819611 to 15
Fax : (020) 26871951
e-mail : esdcdi@vsnl.com
Web : www.esd-india.com
E L E C T R O N I C S
SYSTEMS AND DEVICES
Process Control Instrumentation
ESD HOUSE,
55, Hadapsar Indl. Estate,
ALSOSELECET
ESD...
Pt - 100
Thermocouples
Thermowells
Compensating Cables
Alarm Annunciators
Automation Panels
Profile Controllers
BACKEND SAME RANGE FRONT END
SPECIFICATIONS
INSTALLATION
ORDERING INFORMATION
Model Sleek 9223
92
45N PE P P
-+
PtNO NO
TCRELAY1 RELAY2
NC NC 100
230 V AC
1 2 3 4 5 6 7 8 9 10 11 12
96
48
Model Sleek 921X Sleek 9220
Sleek 9223 Sleek 9243
Ranges : Std. as per chart below (other on
demand)
Input : Pt - 100 / Thermocouple / 4 - 20 mA
Indication : 399.9 12.5 mm Red LED display
Indication acuracy : +/- 0.2 % of fullscale +/- 1 digit
o o o o
Least count : 0.1 C upto 400 C, 1 C above 400 C
Power supply : 230 V AC, +/- 10 % , 50 Hz with Earth
Relative Humidity : 90 % Non Condensing
o
Ambient Temperature : 0 to 55 C
o
Amb. Temp. compensation : Built in upto 55 C
Accuracy deviation due to
o o
a) Temperature change : +/- 0.002 % / C, ref at 25 C
b) Supply Variation : +/- 0.005 % / V
Sensor break indication : OPen
Input impedance : < 10 Mohms, (only for T/C input )
Recalibration (if reqd) : By Zero and Span pots inside
Power consumption : 6 VA
Setpoints One Two Four
Control action : Proportional
Set point Adjust : Through Flat Membrane key pads
o o
On / Off differential : From 1 to 7 C (for LC = 1 C)
o o
From 0.1 to 2 C( for LC = 0.1 C)
Duty Cycle : Self tuning
Cycle Time (On/Off) : From 6 to 240 Sec.
o
Proportional Band : From +/- 0.2 to +/- 9.9 C around
setpoint
Relay Output : One set of potential free Relay contact
changeover contact 5 Amp resistive at
230V AC
Output (optional) : 4 - 20 mA for retransmission
24 V DC, 100mA field supply
Relay logic : User selectable High or Low
Relay ON indication : By Red LED
Sensor break protection : Relay ‘Off’ (Relay ‘On’ on demand)
Mounting : Flush mounting
Enclosure : IP 55 mild steel with power coating
2
Termination : PUT 2.5 mm /PBT
Weight : 700 grams
Model Sleek 9220
0 - 400
0 -1600
Input
0 to 100 % or
process value
mA / mV
Standard Ranges in
o
C
K
R, S
0 - 1200
J
Pt-100 -100 - 200 0 - 400
0 - 400 0 - 600
X6
92
92
N PE P NO
RL - 1
NC
230 V AC
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18
P
-+
Pt
NO
TCRL - 4
NC
100
P NO
RL - 2
NC
P NO
RL - 3
NC
Model Sleek 9243
96
96
45
45
N PE P NO
RELAY
NC
230 V AC
1 2 3 4 5 6
-+
Pt
TC
100
7 8 9
48
48
Model Sleek 921X
92
92
ESD HOUSE 55,HIE,PUNE -13
E L E C T R O N I C S
SYSTEMS AND DEVICES
N PE P P
1 2 3 4 7
-+
PtNO NO
TCRELAY1 RELAY2
NC NC 100
230 V AC
SUPPLY OUTPUT 1 OUTPUT 2
5 86 9 10 11 12
INPUT
1 2 3 4 5 6 7 8 9 10 11 12
96
96
Sleek 9220 96 x 48
Model Facia
Sleek 921X 48 x 48
Depth
100
10092 x 45
Cutout
45 x 45
Add 25 for terminals
Sleek 9223 96 x 96 8092 x 92
Sleek 9243 96 x 96 8092 x 92